The right front turn signal light does not work?

Tiny
DAVID CHEN
  • MEMBER
  • 2003 CHEVROLET IMPALA
  • 3.4L
  • V6
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
The bulb is okay and right signal indicate arrow do not light up, the rear signal light is on but blinking fast once the front bulb was removed. The right signal indicate arrow is light up. Reinstall the bulb back to right front unit. Than turn on the hazard switch, all of the 4 bulbs were flashing normally. Note: the hazard switch was replaced with a new one but does not do any good either.
Sunday, May 7th, 2023 AT 10:06 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 51,964 POSTS
This sounds like the hazard switch needs to be replaced which is where the turn signal flasher is. Here are the blinker wiring diagrams so you can see how the system works and I have included how to change out the hazard switch as well. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Monday, May 8th, 2023 AT 4:23 PM

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